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Best time to visit · Alberta, Canada
July & August are the best time to visit Banff on the climate data: August scores 89/100, with highs around 68°F (20°C) and 2.5 in (63 mm) of rain. June and September are good shoulder-season months. The toughest months are March & April and November, mainly because of cool days.
Highs run from 21°F to 70°F across the year, and the yearly total is about 30.9 in (785 mm) of rain and snow.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 23°F-5°C | 24°F-4°C | 31°F0°C | 39°F4°C | 54°F12°C | 62°F17°C | 70°F21°C | 68°F20°C | 59°F15°C | 44°F7°C | 30°F-1°C | 21°F-6°C |
| Avg low | 8°F-13°C | 6°F-14°C | 14°F-10°C | 23°F-5°C | 35°F2°C | 43°F6°C | 49°F10°C | 47°F9°C | 39°F4°C | 28°F-2°C | 15°F-10°C | 6°F-15°C |
| Rain/snow | 1.8 in45 mm | 1.7 in42 mm | 2.4 in61 mm | 2.4 in62 mm | 3.3 in83 mm | 4.8 in121 mm | 2.8 in70 mm | 2.5 in63 mm | 2.7 in69 mm | 2.4 in61 mm | 2.4 in60 mm | 1.9 in48 mm |
| Humidity | 96% | 97% | 96% | 91% | 77% | 76% | 72% | 72% | 77% | 85% | 95% | 96% |
| Cloud | 70% | 69% | 72% | 72% | 70% | 70% | 56% | 56% | 62% | 68% | 71% | 68% |
| Comfort | 46 | 47 | 44 | 43 | 64 | 74 | 88 | 89 | 76 | 51 | 44 | 46 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. Temperatures were adjusted from the grid cell's ~1,960 m (6,431 ft) to Banff's ~1,388 m (4,554 ft) elevation using the standard lapse rate of 6.5°C per 1,000 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The coldest season, with highs of 21–24°F (-6–-4°C) and lows down to 6°F (-15°C). It's the driest season, with only about 5.3 in (135 mm) of rain or snow, 17% of the year's total. December – February are cold enough for snow. Comfort scores sit mid-table, averaging 46/100.
Temperatures climb through the season, from 31°F highs in March to 54°F by May. About 8.1 in (206 mm) of rain or snow falls across these months, 26% of the year's total. March & April are cold enough for snow. Comfort scores bottom out in March & April; the season averages 50/100.
The warmest stretch of the year, with highs of 62–70°F (17–21°C). It's the wettest season, with about 10.0 in (254 mm) of rain, 32% of the year's total. Lows bottom out around 43°F (6°C). July & August are among the best-scoring months (season average 84/100).
Temperatures slide from 59°F highs in September to 30°F by November. About 7.5 in (190 mm) of rain or snow falls across these months, 24% of the year's total. October & November are cold enough for snow. Comfort scores bottom out in November; the season averages 57/100.
By comfort score: 3 Great, 2 Good, 4 Fair and 3 Tough. Great months: July – September. Tap a month for its own guide.
July & August are the best time to visit Banff on the climate data: August scores 89/100, with highs around 68°F (20°C) and 2.5 in (63 mm) of rain. June and September are good shoulder-season months. The toughest months are March & April and November, mainly because of cool days.
June is the wettest month, averaging about 4.8 in (121 mm) of rain. February is the driest, with about 1.7 in (42 mm). The yearly total is around 30.9 in (785 mm).
December is the coldest, with average lows of 6°F (-15°C) and highs of 21°F (-6°C). The warmest is July, with average highs of 70°F (21°C).
Not very: summer (June – August) humidity averages 73%, and highs peak around 70°F (21°C), so it rarely feels sticky.
On average, yes: lows fall below 32°F (0°C) in October – April, bottoming out around 6°F (-15°C) in December.
Poll the group on July & August dates, then plan the days, packing and costs together.
